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Coal Ash Storage

 

Some coal ash is managed in long-term structures on Ameren power plant properties. These specially built structures allow Ameren to manage fly and bottom ash. The two types of long-term ash storage facilities are:


  • Ash Storage Ponds
    The ash is delivered to the pond mixed with water. In these ponds, the ash settles and the excess water is discharged in accordance with the facility permit.

    Ameren manages ash ponds systems at all of its coal-generating facilities and one active landfill, with a second landfill under construction.
      
  • Ash Storage Landfills
    Landfills receive the ash in a mainly dry form (a small amount of moisture is added for handling and to avoid dusting).
     
    Ameren currently manages one landfill and is pursuing permits for additional landfills. Each of the landfills will be about 200 acres in size. All landfills are subject to environmental permitting requirements.


  • Labadie Utility Waste Management Facility
  • Ameren Missouri is planning to develop a state-of-the-art solid waste management facility at the Labadie Energy Center on 200 acres east of the facility. The levee-protected property is between the Missouri River and the hills to the south in Franklin County, Mo.


    The facility will provide long-term or permanent storage of "coal combustion residuals," which are the solids produced when coal is burned. These solids are either collected from the boiler (bottom ash) or they are removed from the flue gas (fly ash or future scrubber waste). The project is subject to requirements established by the Missouri Department of Natural Resources, Franklin County, and other federal, state, county and local agencies.


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